<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>案例4</title>
		<style type="text/css">
			#div1{
				width: 500px;
				height: 500px;
				margin: 20px auto;
			}
			input {
				width: 100px;
			}

			span {
				color: red;
			}
		</style>
	</head>
	<body>
		<div id="div1">
			<input type="text"  id="num1" />&nbsp;VS&nbsp;
			<input type="text"  id="num2" />
			<button type="button" id="btn1">最大的数是>></button>&nbsp;&nbsp;
			<span class="contrast">?</span>
		</div>
	</body>
</html>
<script src="../js/jquery-3.5.1.min.js" type="text/javascript" charset="utf-8"></script>
<script src="./js/test4.js" type="text/javascript" charset="utf-8"></script>